Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content + Download Section PDF ++ Aimilios Lallas, MD, MSc, PhD ++ Department of Dermatology ++ Aristotle University of Thessaloniki ++ Thessaloniki, Greece ++ Chapter 5 ++ ++ Antonella Tosti, MD ++ Professor ++ Department of Dermatology and Cutaneous Surgery ++ University of Miami Miller School of Medicine ++ Miami, Florida ++ Chapter 6